package service;

import entity.CourseDO;
import entity.GradeDO;
import req.CourseRequest;
import req.GradeRequest;
import res.CourseDTO;
import res.GradeDTO;

public interface GradeService {


    GradeDTO retrieveGrade(GradeRequest request);


    boolean add(GradeDO gradeDO);

    GradeDO getById(int selectCourseId);

    boolean update(GradeDO gradeDO);

    boolean delete(int[] selectCourseIds);
}
